1、Lessons Learned Entry: 1145Lesson Info:a71 Lesson Number: 1145a71 Lesson Date: 2002-02-07a71 Submitting Organization: KSCa71 Submitted by: Calvert A. StaubusSubject: Pegasus Expendable Launch Vehicle In-Flight Anomaly Description of Driving Event: During a Pegasus launch from Kwajalein Island on Oct
2、ober 9, 2000 the stage 1/2 interstage did not initially fully separate causing the launch vehicle to yaw significantly.Lesson(s) Learned: Insufficient margin between the linear shaped charge and the aluminum ring thickness preventing complete cutting of the separation ring.Recommendation(s): See NAS
3、A ELV Engineering Review Boards #1401KSC and the related reconvenes for recommendations and actions taken to alleviate this Pegasus separation concern.Evidence of Recurrence Control Effectiveness: Successful subsequent separations of the 1/2 interstage.Documents Related to Lesson: N/AMission Directo
4、rate(s): a71 Exploration SystemsProvided by IHSNot for Resale-,-,-a71 Aeronautics ResearchAdditional Key Phrase(s): a71 Aerospace Safety Advisory PanelAdditional Info: Approval Info: a71 Approval Date: 2002-03-18a71 Approval Name: Gena Bakera71 Approval Organization: KSCa71 Approval Phone Number: 321-867-4261Provided by IHSNot for Resale-,-,-
